1054100135500 has 96 divisors (see below), whose sum is σ = 2424889958400. Its totient is φ = 399189816000.

The previous prime is 1054100135461. The next prime is 1054100135531. The reversal of 1054100135500 is 55310014501.

It is a happy number.

It is a super-2 number, since 2×1054100135500² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14965365 + ... + 15035635.

It is an arithmetic number, because the mean of its divisors is an integer number (25259270400).

Almost surely, 2^{1054100135500} is an apocalyptic number.

1054100135500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1054100135500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212444979200).

1054100135500 is an abundant number, since it is smaller than the sum of its proper divisors (1370789822900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1054100135500 is a wasteful number, since it uses less digits than its factorization.

1054100135500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71888 (or 71876 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 1054100135500 in words is "one trillion, fifty-four billion, one hundred million, one hundred thirty-five thousand, five hundred".